I-94 Bl over Black River
Fair Condition35 years old9,408 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | In Port Huron (military A |
| Carries | I-94 Bl |
| Crosses | Black River |
| Coordinates | 42.97576, -82.42429 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Movable - Bascule |
| Total Length | 147.0 ft (44.8 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 66.9 ft (20.4 m) |
| Deck Area | 913.9 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 9,408 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000009956 |